What are oil pastels used for?

I have a giant canvas I used oil pastels and chalk on, can I paint over it with acrylic paint?

  • I have this huge canvas and I hate what I made with it, can I go over oil pastels and some chalk with acrylic paints or will that ruin it? will the paint even stick to the oil pastels? I dont wanna ruin the canvas as it is, but if I can make something better out of it i would like to

  • Answer:

    I would spray over it with a permanent clear matte varnish a few times, try Grumbacher, a few horizontal sprays a few vertical about 8-12 inches away. Why not test it first on a scrap of canvas using your pastels and chalk and let it dry and then see if the seal worked

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Not directly. Scrape it down and gesso it.

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